Abstract
Significant content of SO3 in exhaust gases generates difficulties in maintenance of metallurgical plants and large combustion installations. To minimize the range of this problem, numerical models of reacting flow can be introduced to the designed process. Modeling combustion and post combustion of SO3 formation requires adding reaction mechanism of reactive mixture to flow equations. In this work three kinetic mechanisms of SO2 oxidation have been used to predict SO3 formation, expressed in SO3 outlet concentration and SO2 to SO3 conversion rate. Physical model of flow through quartz glass tube, based on [Belo et al. 2014] experiment, has been created and implemented in Ansys Fluent. Difference between experimental data and model calculations results have been presented as a function of species concentration and temperature. Keywords: SO2, SO3, oxidation, CFD, Fluent, kinetic mechanism
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